bug6872503.java revision 15235:fe58d505fffd 
1/*
2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @key headful
27 * @bug 6872503
28 * @summary Checks that JLayer correctly works with its AWTEventListener
29 * @author Alexander Potochkin
30 */
31
32import javax.swing.*;
33import java.awt.*;
34import java.awt.event.AWTEventListener;
35import java.awt.event.AWTEventListenerProxy;
36
37public class bug6872503 {
38
39    static JLayer<Component> l1;
40    static JLayer<Component> l2;
41
42    private static void createGui() {
43        Toolkit toolkit = Toolkit.getDefaultToolkit();
44        int length = toolkit.getAWTEventListeners().length;
45
46        l1 = new JLayer<Component>();
47        l1.setLayerEventMask(AWTEvent.MOUSE_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK);
48
49        l2 = new JLayer<Component>();
50        l2.setLayerEventMask(AWTEvent.MOUSE_EVENT_MASK | AWTEvent.KEY_EVENT_MASK);
51
52        if (isLayerEventControllerAdded()) {
53            throw new RuntimeException("Unexpected AWTEventListener was added");
54        }
55
56        JFrame frame = new JFrame();
57        frame.setLayout(new FlowLayout());
58        frame.add(l1);
59        frame.add(l2);
60
61        if (isLayerEventControllerAdded()) {
62            throw new RuntimeException("Unexpected AWTEventListener was added");
63        }
64
65        frame.pack();
66
67        if (!isLayerEventControllerAdded()) {
68            throw new RuntimeException("AWTEventListener was not added");
69        }
70
71        if (!layerEventControllerMaskEquals(l1.getLayerEventMask() | l2.getLayerEventMask())) {
72             throw new RuntimeException("Wrong mask for AWTEventListener");
73        }
74
75        frame.dispose();
76
77        if (isLayerEventControllerAdded()) {
78            throw new RuntimeException("Unexpected AWTEventListener was added");
79        }
80    }
81
82    static boolean isLayerEventControllerAdded() {
83        Toolkit toolkit = Toolkit.getDefaultToolkit();
84        AWTEventListener layerEventController = null;
85        for (AWTEventListener listener : toolkit.getAWTEventListeners()) {
86            if (listener instanceof AWTEventListenerProxy) {
87                listener = ((AWTEventListenerProxy)listener).getListener();
88
89            }
90            if ("LayerEventController".equals(listener.getClass().getSimpleName())) {
91                if (layerEventController != null) {
92                    throw new RuntimeException("Duplicated LayerEventController");
93                }
94                layerEventController = listener;
95            }
96        }
97        boolean ret = layerEventController != null;
98        if (ret) {
99            System.out.println("LayerEventController found");
100        } else {
101            System.out.println("No LayerEventController");
102        }
103        return ret;
104    }
105
106    static boolean layerEventControllerMaskEquals(long mask) {
107        Toolkit toolkit = Toolkit.getDefaultToolkit();
108        AWTEventListener layerEventController = null;
109        for (AWTEventListener listener : toolkit.getAWTEventListeners(mask)) {
110            if (listener instanceof AWTEventListenerProxy) {
111                listener = ((AWTEventListenerProxy)listener).getListener();
112
113            }
114            if ("LayerEventController".equals(listener.getClass().getSimpleName())) {
115                if (layerEventController != null) {
116                    throw new RuntimeException("Duplicated LayerEventController");
117                }
118                layerEventController = listener;
119            }
120        }
121        boolean ret = layerEventController != null;
122        if (ret) {
123            System.out.println("LayerEventController with the correct mask found");
124        } else {
125            System.out.println("No LayerEventController with the correct mask");
126        }
127        return ret;
128    }
129
130    public static void main(String[] args) throws Exception {
131        SwingUtilities.invokeAndWait(new Runnable() {
132            public void run() {
133                bug6872503.createGui();
134            }
135        });
136    }
137}
138